<template>
  <div class="articaldetail">
    <div class="header">
      <div class="left">
        <van-icon name="arrow-left back" @click="$router.back()" />
        <span class="iconfont iconnew new" @click="$router.push({name:'index'})"></span>
      </div>
      <span @click="userFollow"
      :class="{active:article.has_follow}">{{article.has_follow?'已关注':'关注'}}</span>
    </div>
    <div class="detail">
      <div class="title">{{article.title}}</div>
      <div class="desc">
        <span>{{article.user && article.user.nickname}}</span> &nbsp;&nbsp;
        <span>{{article.create_date | dateFormat}}</span>
      </div>
      <div class="content" v-html="article.content" v-if="article.type==1">
      </div>
      <video v-if="article.type==2" :src="article.content" controls
      poster="https://ss0.bdstatic.com/70cFuHSh_Q1YnxGkpoWK1HF6hhy/it/u=1672835034,1341398140&fm=26&gp=0.jpg"></video>
      <div class="opt">
        <span class="like" @click="articleLike" :class="{active:article.has_like}">
          <van-icon name="good-job-o" />{{article.like_length}}
        </span>
        <span class="chat">
          <van-icon name="chat" class="w" />微信
        </span>
      </div>
    </div>
    <!-- 精彩跟帖 -->
    <div class="keeps">
      <h2>精彩跟帖</h2>
      <div class="item">
        <div class="head">
          <img src="../assets/logo.png" alt />
          <div>
            <p>火星网友</p>
            <span>2小时前</span>
          </div>
          <span>回复</span>
        </div>
        <div class="text">文章说得很有道理</div>
      </div>
      <div class="more">更多跟帖</div>
    </div>
    <!-- 底部评论块 -->
    <commentFooter :post="article"></commentFooter>
  </div>
</template>

<script>
import {getArticleDetailById,post_like} from '@/apis/article.js'
import {dateFormat} from '@/utils/myfilter.js'
import commentFooter from '@/components/commentFooter.vue'
import {user_follows,user_unfollow} from '@/apis/user.js'
export default {
  data () {
    return {
      article:{}  
    }
  },
  components: {
    commentFooter
  },
  filters: {
    dateFormat
  },
  methods: {
    // 文章点赞
    async articleLike(){
      let res = await post_like(this.article.id)
      console.log(res);
      this.article.has_like = !this.article.has_like
      this.$toast.success(res.data.message)
      if (res.data.message == '点赞成功'){
        this.article.like_length++
      }else{
        this.article.like_length--
      }
    },
    async userFollow(){
      // 关键是根据当前关注的状态值进行处理，如果has_follow是true,则说明当前已经关注了，那么这次的单击是取消关注，否则就是关注
      let res
      if(this.article.has_follow){
        // 取消关注
        res = await user_unfollow(this.article.user.id)
      }else{
        // 关注
        res = await user_follows(this.article.user.id)
      }
      this.article.has_follow = !this.article.has_follow
      this.$toast.success(res.data.message)
    }
  },
  async mounted () {
    // 根据id获取文章的详情，实现文章详情的动态渲染
    let res = await getArticleDetailById(this.$route.params.id)
    console.log(res);
    this.article = res.data.data
  }
}
</script>

<style lang='less' scoped>
.header {
  padding: 0px 10px;
  height: 50px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #ccc;
  > .left {
    height: 100%;
    vertical-align: middle;
    position: relative;
    .van-icon {
      position: absolute;
      top: 15px;
      left: 0;
    }
    > span {
      margin-left: 22px;
      font-size: 50px;
    }
  }
  > span {
    padding: 5px 15px;
    background-color: red;
    color: #fff;
    text-align: center;
    border-radius: 15px;
    font-size: 13px;
    &.active{
      background-color: transparent;
      border: 1px solid #ccc;
      color: #000;
    }
  }
}
.detail {
  padding: 15px;
  .title {
    font-size: 18px;
    font-weight: bold;
    padding: 10px 0;
  }
  .desc {
    line-height: 30px;
    color: #999;
    font-size: 13px;
  }
  .content {
    text-indent: 2em;
    line-height: 24px;
    font-size: 15px;
    padding-bottom: 30px;
    width: 100%;
    /deep/ img{
      width: 100%;
      display: block;
      }
    }
    video{
      width: 100%;
  }
}
.opt {
  display: flex;
  justify-content: space-around;
  .like,
  .chat {
    height: 25px;
    padding: 0 15px;
    font-size: 14px;
    line-height: 25px;
    text-align: center;
    border: 1px solid #ccc;
    border-radius: 15px;
  }
  .like{
    &.active{
      color: red;
    }
  }
  .w {
    color: rgb(84, 163, 5);
  }
}
.keeps {
  border-top: 5px solid #ddd;
  padding: 0 15px 50px;
  > h2 {
    line-height: 50px;
    text-align: center;
  }
  .item {
    padding: 10px 0;
    border-bottom: 1px solid #ccc;
    .head {
      display: flex;
      justify-content: space-between;
      align-items: center;
      > img {
        width: 50/360 * 100vw;
        height: 50/360 * 100vw;
        display: block;
        border-radius: 50%;
      }
      > div {
        flex: 1;
        display: flex;
        flex-direction: column;
        margin-left: 10px;
        > span {
          font-size: 12px;
          color: #999;
          line-height: 25px;
        }
      }
      > span {
        color: #999;
        font-size: 13px;
      }
    }
    .text {
      font-size: 14px;
      color: #333;
      padding: 20px 0 10px 0;
    }
  }
  .more {
    width: 100px;
    height: 30px;
    line-height: 30px;
    text-align: center;
    border: 1px solid #ccc;
    border-radius: 15px;
    margin: 20px auto;
    font-size: 13px;
  }
}
</style>
